Exemplo n.º 1
0
        public int SendHS(byte type)
        {
            try
            {
                this.hs    = new TLSHandshake((byte)type, (UInt32)this.pktBuf.Count, this.pktBuf.ToArray());
                this.hsBuf = this.hs.CreateHS();

                int hsType = this.common.ReadAtLoc(this.hsBuf.ToArray(), 0, 1);
                this.hsLen = (short)this.hsBuf.Count;

                if (hsType == 1)
                {
                    this.cHello_hs = new byte[this.hsLen];
                    Array.Copy(this.hsBuf.ToArray(), 0, this.cHello_hs, 0, this.hsLen);
                }

                if (hsType == 16)
                {
                    this.cke_hs = new byte[this.hsLen];
                    Array.Copy(this.hsBuf.ToArray(), 0, this.cke_hs, 0, this.hsLen);
                }

                this.rec = new TLSRecord(0x16, (short)0x303, this.hsLen, this.hsBuf.ToArray());

                this.recBuf = this.rec.GetBytes();
                this.recLen = (short)this.recBuf.Count;

                this.ns.Write(this.recBuf.ToArray(), 0, this.recLen);

                this.ReallocBufs();
            }
            catch (Exception e)
            {
                this.sendExcp = e;
                return(-1);
            }
            return(0);
        }
Exemplo n.º 2
0
        private void OnHTTPResponse(IAsyncResult result)
        {
            AsyncHttpResponse state = (AsyncHttpResponse)result.AsyncState;
            var success             = false;

            try
            {
                state.Request.EndGetResponse(result);
                success = true;
            }
            catch (WebException)
            {
                if (state.AssociatedAccount.Protocol == "https")
                {
                    // try to fetch certificate
                    try
                    {
                        var tls = new TLSHandshake();
                        tls.SetServerNameExtension(state.AssociatedAccount.Hostname);
                        var socket = new StreamSocket();
                        socket.Connect(state.AssociatedAccount.Hostname, state.AssociatedAccount.GetPort(true));
                        socket.Write(tls.CreateClientHello());

                        DateTime startTime = DateTime.Now;
                        while (true)
                        {
                            var data = socket.Read();
                            if (data.Length > 0)
                            {
                                var cert = tls.FindPacket(data, TLSHandshake.TLS_HANDSHAKE_CERTIFICATE);
                                if (cert.Length > 0)
                                {
                                    var details = tls.GetCertificateDetails(cert);
                                    if (details.Count > 0)
                                    {
                                        var certDetails = details[0];
                                        if (certDetails.ContainsKey("CN"))
                                        {
                                            Dispatcher.BeginInvoke(() =>
                                            {
                                                MessageBox.Show("EditAccountPage_Connection_Rejected".Translate(state.AssociatedAccount.Hostname, certDetails["CN"], certDetails["ValidAfter"], certDetails["ValidTo"]), "EditAccountPage_Connection_Rejected_Caption".Translate(), MessageBoxButton.OK);
                                                _overlay.Hide();
                                            });
                                            return;
                                        }
                                    }
                                    break;
                                }
                            }

                            if (DateTime.Now.Subtract(startTime).TotalSeconds > 5)
                            {
                                break;
                            }
                        }
                    }
                    catch (Exception)
                    {
                        // Host not reachable, no SSL host or TLS version not supported
                    }
                }
            }
            catch (Exception)
            {
                // HTTPWebRequest has failed
            }

            if (success)
            {
                // Testing DAV
                //TODO: Add your additional connection test statement here
                // To complete the test all fragments must have been fired.
                EventCollector collector = new EventCollector()
                {
                    Complete = () =>
                    {
                        OnConnectTestComplete(success, state.AssociatedAccount);
                    }
                };
                collector.WaitFor(state.AssociatedAccount.WebDAVPath);
                collector.WaitFor(state.AssociatedAccount.CalDAVPath);

                // define paths to test
                Queue <string> pathsToTest = new Queue <string>();
                pathsToTest.Enqueue(state.AssociatedAccount.WebDAVPath);
                pathsToTest.Enqueue(state.AssociatedAccount.CalDAVPath);

                // create master instance
                WebDAV davTest = new WebDAV(state.AssociatedAccount.GetUri(), state.AssociatedAccount.GetCredentials());

                // call tests
                while (pathsToTest.Count > 0)
                {
                    var path = pathsToTest.Dequeue();
                    davTest.StartRequest(DAVRequestHeader.CreateListing(path), path, (requestResult, userObj) =>
                    {
                        if (requestResult.Status != ServerStatus.MultiStatus)
                        {
                            // all other states are fail states
                            success = false;
                            Dispatcher.BeginInvoke(() =>
                            {
                                MessageBox.Show("EditAccountPage_CheckingConnection_DAVTestFailed".Translate(userObj, requestResult.StatusText), "Error_Caption".Translate(), MessageBoxButton.OK);
                            });
                        }
                        collector.Raise(userObj);
                    });
                }
            }
            else
            {
                OnConnectTestComplete(success, state.AssociatedAccount);
            }
        }
Exemplo n.º 3
0
        private void OnHTTPResponse(IAsyncResult result)
        {
            AsyncHttpResponse state = (AsyncHttpResponse)result.AsyncState;
            var success             = false;

            try
            {
                state.Request.EndGetResponse(result);
                success = true;
            }
            catch (WebException)
            {
                if (state.AssociatedAccount.Protocol == "https")
                {
                    // try to fetch certificate
                    try
                    {
                        var tls = new TLSHandshake();
                        tls.SetServerNameExtension(state.AssociatedAccount.Hostname);
                        var socket = new StreamSocket();
                        socket.Connect(state.AssociatedAccount.Hostname, TLSHandshake.TLS_HTTP_PORT);
                        socket.Write(tls.CreateClientHello());

                        DateTime startTime = DateTime.Now;
                        while (true)
                        {
                            var data = socket.Read();
                            if (data.Length > 0)
                            {
                                var cert = tls.FindPacket(data, TLSHandshake.TLS_HANDSHAKE_CERTIFICATE);
                                if (cert.Length > 0)
                                {
                                    var details = tls.GetCertificateDetails(cert);
                                    if (details.Count > 0)
                                    {
                                        var certDetails = details[0];
                                        if (certDetails.ContainsKey("CN"))
                                        {
                                            Dispatcher.BeginInvoke(() =>
                                            {
                                                MessageBox.Show("EditAccountPage_Connection_Rejected".Translate(state.AssociatedAccount.Hostname, certDetails["CN"], certDetails["ValidAfter"], certDetails["ValidTo"]), "EditAccountPage_Connection_Rejected_Caption".Translate(), MessageBoxButton.OK);
                                                overlayFadeOut.Begin();
                                            });
                                            return;
                                        }
                                    }
                                    break;
                                }
                            }

                            if (DateTime.Now.Subtract(startTime).TotalSeconds > 5)
                            {
                                break;
                            }
                        }
                    }
                    catch (Exception)
                    {
                        // Host not reachable, no SSL host or TLS version not supported
                    }
                }
            }
            catch (Exception)
            {
                // HTTPWebRequest has failed
            }

            Dispatcher.BeginInvoke(() =>
            {
                if (success)
                {
                    overlayFadeOut.Begin();
                    StoreAccount(state.AssociatedAccount);
                }
                else
                {
                    overlayFadeOut.Begin();
                    OnConnectFailed(state.AssociatedAccount);
                }
            });
        }